201724280

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 462322080

約数和(自身を除く): 260597800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 137, 262, 274, 281, 524, 548, 562, 655, 685, 1048, 1096, 1124, 1310, 1370, 1405, 2248, 2620, 2740, 2810, 5240, 5480, 5620, 11240, 17947, 35894, 36811, 38497, 71788, 73622, 76994, 89735, 143576, 147244, 153988, 179470, 184055, 192485, 294488, 307976, 358940, 368110, 384970, 717880, 736220, 769940, 1472440, 1539880, 5043107, 10086214, 20172428, 25215535, 40344856, 50431070, 100862140, 201724280]

約数ペア:

[(1, 201724280), (2, 100862140), (4, 50431070), (5, 40344856), (8, 25215535), (10, 20172428), (20, 10086214), (40, 5043107), (131, 1539880), (137, 1472440), (262, 769940), (274, 736220), (281, 717880), (524, 384970), (548, 368110), (562, 358940), (655, 307976), (685, 294488), (1048, 192485), (1096, 184055), (1124, 179470), (1310, 153988), (1370, 147244), (1405, 143576), (2248, 89735), (2620, 76994), (2740, 73622), (2810, 71788), (5240, 38497), (5480, 36811), (5620, 35894), (11240, 17947)]